/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

using System;
using System.Runtime.Serialization;

namespace Nest
{
	[ReadAs(typeof(TriggerEventContainer))]
	public interface ITriggerEventContainer
	{
		[DataMember(Name = "schedule")]
		IScheduleTriggerEvent Schedule { get; set; }
	}

	[DataContract]
	public class TriggerEventContainer : ITriggerEventContainer, IDescriptor
	{
		public TriggerEventContainer() { }

		public TriggerEventContainer(TriggerEventBase trigger)
		{
			trigger.ThrowIfNull(nameof(trigger));
			trigger.WrapInContainer(this);
		}

		IScheduleTriggerEvent ITriggerEventContainer.Schedule { get; set; }
	}

	public class TriggerEventDescriptor : TriggerEventContainer
	{
		private TriggerEventDescriptor Assign<TValue>(TValue value, Action<ITriggerEventContainer, TValue> assigner) => Fluent.Assign(this, value, assigner);

		public TriggerEventDescriptor Schedule(Func<ScheduleTriggerEventDescriptor, IScheduleTriggerEvent> selector) =>
			Assign(selector, (a, v) => a.Schedule = v?.Invoke(new ScheduleTriggerEventDescriptor()));
	}
}
